<template>
  <div>
    <div class="gva-table-box">
      <div class="gva-btn-list">
        <el-button
          type="primary"
          icon="plus"
          @click="addMenu(0)"
        >新增根菜单</el-button>
        <el-icon
          class="cursor-pointer"
          @click="
            toDoc(
              'https://www.bilibili.com/video/BV1kv4y1g7nT/?p=4&vd_source=f2640257c21e3b547a790461ed94875e'
            )
          "
        ><VideoCameraFilled /></el-icon>
      </div>

      <!-- 由于此处菜单跟左侧列表一一对应所以不需要分页 pageSize默认999 -->
      <el-table
        :data="tableData"
        row-key="ID"
      >
        <el-table-column
          align="left"
          label="ID"
          min-width="100"
          prop="ID"
        />
        <el-table-column
          align="left"
          label="展示名称"
          min-width="120"
          prop="authorityName"
        >
          <template #default="scope">
            <span>{{ scope.row.meta.title }}</span>
          </template>
        </el-table-column>
        <el-table-column
          align="left"
          label="图标"
          min-width="140"
          prop="authorityName"
        >
          <template #default="scope">
            <div
              v-if="scope.row.meta.icon"
              class="icon-column"
            >
              <el-icon>
                <component :is="scope.row.meta.icon" />
              </el-icon>
              <span>{{ scope.row.meta.icon }}</span>
            </div>
          </template>
        </el-table-column>
        <el-table-column
          align="left"
          label="路由Name"
          show-overflow-tooltip
          min-width="160"
          prop="name"
        />
        <el-table-column
          align="left"
          label="路由Path"
          show-overflow-tooltip
          min-width="160"
          prop="path"
        />
        <el-table-column
          align="left"
          label="是否隐藏"
          min-width="100"
          prop="hidden"
        >
          <template #default="scope">
            <span>{{ scope.row.hidden ? "隐藏" : "显示" }}</span>
          </template>
        </el-table-column>
        <el-table-column
          align="left"
          label="父节点"
          min-width="90"
          prop="parentId"
        />
        <el-table-column
          align="left"
          label="排序"
          min-width="70"
          prop="sort"
        />
        <el-table-column
          align="left"
          label="文件路径"
          min-width="360"
          prop="component"
        />
        <el-table-column
          align="left"
          fixed="right"
          label="操作"
          width="300"
        >
          <template #default="scope">
            <el-button
              type="primary"
              link
              icon="plus"
              @click="addMenu(scope.row.ID)"
            >添加子菜单</el-button>
            <el-button
              type="primary"
              link
              icon="edit"
              @click="editMenu(scope.row.ID)"
            >编辑</el-button>
            <el-button
              type="primary"
              link
              icon="delete"
              @click="deleteMenu(scope.row.ID)"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <el-drawer
      v-model="dialogFormVisible"
      size="60%"
      :before-close="handleClose"
      :show-close="false"
    >
      <template #header>
        <div class="flex justify-between items-center">
          <span class="text-lg">{{ dialogTitle }}</span>
          <div>
            <el-button @click="closeDialog">取 消</el-button>
            <el-button
              type="primary"
              @click="enterDialog"
            >确 定</el-button>
          </div>
        </div>
      </template>

      <warning-bar title="新增菜单，需要在角色管理内配置权限才可使用" />
      <el-form
        v-if="dialogFormVisible"
        ref="menuForm"
        :inline="true"
        :model="form"
        :rules="rules"
        label-position="top"
        label-width="85px"
      >
        <el-form-item
          label="路由Name"
          prop="path"
          style="width: 30%"
        >
          <el-input
            v-model="form.name"
            autocomplete="off"
            placeholder="唯一英文字符串"
            @change="changeName"
          />
        </el-form-item>
        <el-form-item
          prop="path"
          style="width: 30%"
        >
          <template #label>
            <span style="display: inline-flex; align-items: center">
              <span>路由Path</span>
              <el-checkbox
                v-model="checkFlag"
                style="margin-left: 12px; height: auto"
              >添加参数</el-checkbox>
            </span>
          </template>

          <el-input
            v-model="form.path"
            :disabled="!checkFlag"
            autocomplete="off"
            placeholder="建议只在后方拼接参数"
          />
        </el-form-item>
        <el-form-item
          label="是否隐藏"
          style="width: 30%"
        >
          <el-select
            v-model="form.hidden"
            placeholder="是否在列表隐藏"
          >
            <el-option
              :value="false"
              label="否"
            />
            <el-option
              :value="true"
              label="是"
            />
          </el-select>
        </el-form-item>
        <el-form-item
          label="父节点ID"
          style="width: 30%"
        >
          <el-cascader
            v-model="form.parentId"
            style="width: 100%"
            :disabled="!isEdit"
            :options="menuOption"
            :props="{
              checkStrictly: true,
              label: 'title',
              value: 'ID',
              disabled: 'disabled',
              emitPath: false,
            }"
            :show-all-levels="false"
            filterable
          />
        </el-form-item>
        <el-form-item
          label="文件路径"
          prop="component"
          style="width: 60%"
        >
          <el-input
            v-model="form.component"
            autocomplete="off"
            placeholder="页面:view/xxx/xx.vue 插件:plugin/xx/xx.vue"
            @blur="fmtComponent"
          />
          <span style="font-size: 12px; margin-right: 12px">如果菜单包含子菜单，请创建router-view二级路由页面或者</span><el-button
            style="margin-top: 4px"
            @click="form.component = 'view/routerHolder.vue'"
          >点我设置</el-button>
        </el-form-item>
        <el-form-item
          label="展示名称"
          prop="meta.title"
          style="width: 30%"
        >
          <el-input
            v-model="form.meta.title"
            autocomplete="off"
          />
        </el-form-item>
        <el-form-item
          label="图标"
          prop="meta.icon"
          style="width: 30%"
        >
          <icon
            :meta="form.meta"
            style="width: 100%"
          />
        </el-form-item>
        <el-form-item
          label="排序标记"
          prop="sort"
          style="width: 30%"
        >
          <el-input
            v-model.number="form.sort"
            autocomplete="off"
          />
        </el-form-item>
        <el-form-item
          prop="meta.activeName"
          style="width: 30%"
        >
          <template #label>
            <div>
              <span> 高亮菜单 </span>
              <el-tooltip
                content="注：当到达此路由时候，指定左侧菜单指定name会处于活跃状态（亮起），可为空，为空则为本路由Name。"
                placement="top"
                effect="light"
              >
                <el-icon><QuestionFilled /></el-icon>
              </el-tooltip>
            </div>
          </template>
          <el-input
            v-model="form.meta.activeName"
            :placeholder="form.name"
            autocomplete="off"
          />
        </el-form-item>
        <el-form-item
          label="KeepAlive"
          prop="meta.keepAlive"
          style="width: 30%"
        >
          <el-select
            v-model="form.meta.keepAlive"
            style="width: 100%"
            placeholder="是否keepAlive缓存页面"
          >
            <el-option
              :value="false"
              label="否"
            />
            <el-option
              :value="true"
              label="是"
            />
          </el-select>
        </el-form-item>
        <el-form-item
          label="CloseTab"
          prop="meta.closeTab"
          style="width: 30%"
        >
          <el-select
            v-model="form.meta.closeTab"
            style="width: 100%"
            placeholder="是否自动关闭tab"
          >
            <el-option
              :value="false"
              label="否"
            />
            <el-option
              :value="true"
              label="是"
            />
          </el-select>
        </el-form-item>
        <el-form-item style="width: 30%">
          <template #label>
            <div>
              <span> 是否为基础页面 </span>
              <el-tooltip
                content="此项选择为是，则不会展示左侧菜单以及顶部信息。"
                placement="top"
                effect="light"
              >
                <el-icon><QuestionFilled /></el-icon>
              </el-tooltip>
            </div>
          </template>

          <el-select
            v-model="form.meta.defaultMenu"
            style="width: 100%"
            placeholder="是否为基础页面"
          >
            <el-option
              :value="false"
              label="否"
            />
            <el-option
              :value="true"
              label="是"
            />
          </el-select>
        </el-form-item>
      </el-form>
      <div>
        <div class="flex items-center gap-2">
          <el-button
            type="primary"
            icon="edit"
            @click="addParameter(form)"
          >新增菜单参数</el-button>
          <el-icon
            class="cursor-pointer"
            @click="
              toDoc(
                'https://www.bilibili.com/video/BV1kv4y1g7nT?p=9&vd_source=f2640257c21e3b547a790461ed94875e'
              )
            "
          ><VideoCameraFilled /></el-icon>
        </div>
        <el-table
          :data="form.parameters"
          style="width: 100%; margin-top: 12px"
        >
          <el-table-column
            align="left"
            prop="type"
            label="参数类型"
            width="180"
          >
            <template #default="scope">
              <el-select
                v-model="scope.row.type"
                placeholder="请选择"
              >
                <el-option
                  key="query"
                  value="query"
                  label="query"
                />
                <el-option
                  key="params"
                  value="params"
                  label="params"
                />
              </el-select>
            </template>
          </el-table-column>
          <el-table-column
            align="left"
            prop="key"
            label="参数key"
            width="180"
          >
            <template #default="scope">
              <div>
                <el-input v-model="scope.row.key" />
              </div>
            </template>
          </el-table-column>
          <el-table-column
            align="left"
            prop="value"
            label="参数值"
          >
            <template #default="scope">
              <div>
                <el-input v-model="scope.row.value" />
              </div>
            </template>
          </el-table-column>
          <el-table-column align="left">
            <template #default="scope">
              <div>
                <el-button
                  type="danger"
                  icon="delete"
                  @click="deleteParameter(form.parameters, scope.$index)"
                >删除</el-button>
              </div>
            </template>
          </el-table-column>
        </el-table>

        <div class="flex items-center gap-2 mt-3">
          <el-button
            type="primary"
            icon="edit"
            @click="addBtn(form)"
          >新增可控按钮
          </el-button>
          <el-icon
            class="cursor-pointer"
            @click="
              toDoc('https://www.gin-vue-admin.com/guide/web/button-auth.html')
            "
          ><QuestionFilled /></el-icon>
          <el-icon
            class="cursor-pointer"
            @click="
              toDoc(
                'https://www.bilibili.com/video/BV1kv4y1g7nT?p=11&vd_source=f2640257c21e3b547a790461ed94875e'
              )
            "
          ><VideoCameraFilled /></el-icon>
        </div>

        <el-table
          :data="form.menuBtn"
          style="width: 100%; margin-top: 12px"
        >
          <el-table-column
            align="left"
            prop="name"
            label="按钮名称"
            width="180"
          >
            <template #default="scope">
              <div>
                <el-input v-model="scope.row.name" />
              </div>
            </template>
          </el-table-column>
          <el-table-column
            align="left"
            prop="name"
            label="备注"
            width="180"
          >
            <template #default="scope">
              <div>
                <el-input v-model="scope.row.desc" />
              </div>
            </template>
          </el-table-column>
          <el-table-column align="left">
            <template #default="scope">
              <div>
                <el-button
                  type="danger"
                  icon="delete"
                  @click="deleteBtn(form.menuBtn, scope.$index)"
                >删除</el-button>
              </div>
            </template>
          </el-table-column>
        </el-table>
      </div>
    </el-drawer>
  </div>
</template>

<script setup>
import {
  updateBaseMenu,
  getMenuList,
  addBaseMenu,
  deleteBaseMenu,
  getBaseMenuById,
} from '@/api/menu'
import icon from '@/view/superAdmin/menu/icon.vue'
import WarningBar from '@/components/warningBar/warningBar.vue'
import { canRemoveAuthorityBtnApi } from '@/api/authorityBtn'
import { reactive, ref } from 'vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import { QuestionFilled, VideoCameraFilled } from '@element-plus/icons-vue'

import { toDoc } from '@/utils/doc'

defineOptions({
  name: 'Menus',
})

const rules = reactive({
  path: [{ required: true, message: '请输入菜单name', trigger: 'blur' }],
  component: [{ required: true, message: '请输入文件路径', trigger: 'blur' }],
  'meta.title': [
    { required: true, message: '请输入菜单展示名称', trigger: 'blur' },
  ],
})

const page = ref(1)
const total = ref(0)
const pageSize = ref(999)
const tableData = ref([])
const searchInfo = ref({})
// 查询
const getTableData = async() => {
  const table = await getMenuList({
    page: page.value,
    pageSize: pageSize.value,
    ...searchInfo.value,
  })
  if (table.code === 0) {
    tableData.value = table.data.list
    total.value = table.data.total
    page.value = table.data.page
    pageSize.value = table.data.pageSize
  }
}

getTableData()

// 新增参数
const addParameter = (form) => {
  if (!form.parameters) {
    form.parameters = []
  }
  form.parameters.push({
    type: 'query',
    key: '',
    value: '',
  })
}

const fmtComponent = () => {
  form.value.component = form.value.component.replace(/\\/g, '/')
}

// 删除参数
const deleteParameter = (parameters, index) => {
  parameters.splice(index, 1)
}

// 新增可控按钮
const addBtn = (form) => {
  if (!form.menuBtn) {
    form.menuBtn = []
  }
  form.menuBtn.push({
    name: '',
    desc: '',
  })
}
// 删除可控按钮
const deleteBtn = async(btns, index) => {
  const btn = btns[index]
  if (btn.ID === 0) {
    btns.splice(index, 1)
    return
  }
  const res = await canRemoveAuthorityBtnApi({ id: btn.ID })
  if (res.code === 0) {
    btns.splice(index, 1)
  }
}

const form = ref({
  ID: 0,
  path: '',
  name: '',
  hidden: false,
  parentId: 0,
  component: '',
  meta: {
    activeName: '',
    title: '',
    icon: '',
    defaultMenu: false,
    closeTab: false,
    keepAlive: false,
  },
  parameters: [],
  menuBtn: [],
})
const changeName = () => {
  form.value.path = form.value.name
}

const handleClose = (done) => {
  initForm()
  done()
}
// 删除菜单
const deleteMenu = (ID) => {
  ElMessageBox.confirm('此操作将永久删除所有角色下该菜单, 是否继续?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning',
  })
    .then(async() => {
      const res = await deleteBaseMenu({ ID })
      if (res.code === 0) {
        ElMessage({
          type: 'success',
          message: '删除成功!',
        })
        if (tableData.value.length === 1 && page.value > 1) {
          page.value--
        }
        getTableData()
      }
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '已取消删除',
      })
    })
}
// 初始化弹窗内表格方法
const menuForm = ref(null)
const checkFlag = ref(false)
const initForm = () => {
  checkFlag.value = false
  menuForm.value.resetFields()
  form.value = {
    ID: 0,
    path: '',
    name: '',
    hidden: false,
    parentId: 0,
    component: '',
    meta: {
      title: '',
      icon: '',
      defaultMenu: false,
      closeTab: false,
      keepAlive: false,
    },
  }
}
// 关闭弹窗

const dialogFormVisible = ref(false)
const closeDialog = () => {
  initForm()
  dialogFormVisible.value = false
}
// 添加menu
const enterDialog = async() => {
  menuForm.value.validate(async(valid) => {
    if (valid) {
      let res
      if (isEdit.value) {
        res = await updateBaseMenu(form.value)
      } else {
        res = await addBaseMenu(form.value)
      }
      if (res.code === 0) {
        ElMessage({
          type: 'success',
          message: isEdit.value ? '编辑成功' : '添加成功!',
        })
        getTableData()
      }
      initForm()
      dialogFormVisible.value = false
    }
  })
}

const menuOption = ref([
  {
    ID: '0',
    title: '根菜单',
  },
])
const setOptions = () => {
  menuOption.value = [
    {
      ID: 0,
      title: '根目录',
    },
  ]
  setMenuOptions(tableData.value, menuOption.value, false)
}
const setMenuOptions = (menuData, optionsData, disabled) => {
  menuData &&
    menuData.forEach((item) => {
      if (item.children && item.children.length) {
        const option = {
          title: item.meta.title,
          ID: item.ID,
          disabled: disabled || item.ID === form.value.ID,
          children: [],
        }
        setMenuOptions(
          item.children,
          option.children,
          disabled || item.ID === form.value.ID
        )
        optionsData.push(option)
      } else {
        const option = {
          title: item.meta.title,
          ID: item.ID,
          disabled: disabled || item.ID === form.value.ID,
        }
        optionsData.push(option)
      }
    })
}

// 添加菜单方法，id为 0则为添加根菜单
const isEdit = ref(false)
const dialogTitle = ref('新增菜单')
const addMenu = (id) => {
  dialogTitle.value = '新增菜单'
  form.value.parentId = id
  isEdit.value = false
  setOptions()
  dialogFormVisible.value = true
}
// 修改菜单方法
const editMenu = async(id) => {
  dialogTitle.value = '编辑菜单'
  const res = await getBaseMenuById({ id })
  form.value = res.data.menu
  isEdit.value = true
  setOptions()
  dialogFormVisible.value = true
}
</script>

<style scoped lang="scss">
.warning {
  color: #dc143c;
}
.icon-column {
  display: flex;
  align-items: center;
  .el-icon {
    margin-right: 8px;
  }
}
</style>
